Finding the Fourth Proportional to 936,625,776.58, 1,405,025,356.18 and 306,361,412.75
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Solution
The fourth proportional to 936,625,776.58, 1,405,025,356.18 and 306,361,412.75 is: 459,570,475.03
Step by Step Solution
- Step 1: Write the proportion equation
936,625,776.58 : 1,405,025,356.18 = 306,361,412.75 : x - Step 2: Convert to fraction form
936,625,776.58/1,405,025,356.18 = 306,361,412.75/x - Step 3: Cross multiply
936,625,776.58x = 1,405,025,356.18 × 306,361,412.75 - Step 4: Simplify right side
936,625,776.58x = 430,445,553,063,420,800 - Step 5: Solve for x
x = 430,445,553,063,420,800/936,625,776.58 - Step 6: Final answer
x = 459,570,475.03
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.